Museum Grade Insect Mounting Pins, Size 00, 100-Pack Subject_Anatomy Six-lens optics set of three

Six-lens optics set of three double-convex and three double-concave glass lenses with ground beveled edges

this super-taster set pairs PTC

this Wimshurst generator builds a visible high-voltage spark

this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves

Hand-painted 4-part human brain model separates into cortical hemispheres and brain-stem regions for lobed-anatomy teaching at introductory biology levels

Museum Grade Insect Mounting Pins, Size 00, 100-Pack Subject_Anatomy Six-lens optics set of threeSize 00 museum grade entomology pins in a hundred pack, the thinnest gauge for mounting the smallest and most delicate insect specimens in permanent displays.